Sae comes from a very strict family, so when her sister announces she will be visiting. She needs the help of all her friends to make a good impression. 
Well, I figured I should probably
study once in a while.
Bueno... Entre veces hay que estudiar.
Bueno, habrá que 
estudiar de vez en cuando.
É, acho que é bom estudar
 de vez em quando.